建议使用有排烟功能的三通刀头。
按其功能可分为防火阀和排烟防火阀两大类。
By different functions it can be categorized into smoke damper and smoke fire damper.
介绍了某地下综合用房工程空调通风以及防排烟系统设计内容、方案与战时人防功能的配合设计。
The design contents and plans of heating ventilation, air conditioning and fume exhaust system of one underground building are introduced.
应用推荐